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<td ><a href="index.html">Qt 5.14</a></td><td >Qt 许可</td></tr></table><table class="buildversion"><tr>
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<li class="level1"><a href="#purchasing-and-sales-information">采购及销售信息</a></li>
<li class="level1"><a href="#licensed-code-in-qt">Qt许可代码</a></li>
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<h1 class="title">Qt 许可</h1>
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<p>Qt提供不同的授权选项，以适应我们不同用户的需求:</p>
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<li>基于 <i>商业</i> 许可证的Qt许可适用于开发私有/商业软件，如果您不想与第三方共享任何源代码，或者不能遵守GNU LGPL版本3的条款 。</li>
<li>在 <a href="lgpl.html">GNU Lesser General Public License (LGPL)</a> 版本3下授权的Qt适合于Qt应用程序的开发，前提是您可以遵守GNU LGPL版本3(或GNU GPL版本3)的条款和条件。</li>
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<p>Qt还包含 <a href="licenses-used-in-qt.html">第三方代码</a> ，这些代码是在特定的开源许可下从原作者那里获得许可的 。</p>
<p><b>注意:</b>对于开源许可的Qt，一些特定的部分(模块)在GNU LGPL版本3下是不可用的，而是在 <a href="gpl.html">GNU通用公共许可(GPL)</a> 下可用 。有关详细信息，请参阅 <a href="qtmodules.html#gpl-licensed-addons">Qt模块</a> 列表。对于商业许可，所有模块都可以在一个商业Qt许可下使用 。</p>
<p><i>Qt文档</i>在Qt公司的商业许可下可以使用，并且遵循由自由软件基金会发布的 <a href="fdl.html">GNU自由文档许可(FDL)</a>  1.3版本的条款 。</p>
<p><i>Qt示例</i>在Qt公司的商业许可和 <a href="examples-license.html">BSD-3-clause</a>许可下均可获得 。</p>
<p>有关Qt许可的概述，请参阅 <a href="http://qt.io/licensing/">http://qt.io/licensing/</a> 。</p>
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<h2 id="purchasing-and-sales-information">采购及销售信息</h2>
<p>要购买Qt许可，请访问 <a href="http://www.qt.io/download/">http://www.qt.io/download/</a> 。</p>
<p>有关Qt授权的更多信息和帮助，请与我们的销售联系;请查看 <a href="http://www.qt.io/locations/">http://www.qt.io/locations/</a> 获取详细联系信息 。</p>
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<h2 id="licensed-code-in-qt">Qt许可代码</h2>
<p>以下页面记录了Qt不同部分使用的开源许可:</p>


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